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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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309 Isolate* isolate() const { return isolate_; } | 309 Isolate* isolate() const { return isolate_; } |
310 Zone* zone() const { return zone_; } | 310 Zone* zone() const { return zone_; } |
311 CompilationInfo* info() const { return info_; } | 311 CompilationInfo* info() const { return info_; } |
312 | 312 |
313 const ZoneList<HBasicBlock*>* blocks() const { return &blocks_; } | 313 const ZoneList<HBasicBlock*>* blocks() const { return &blocks_; } |
314 const ZoneList<HPhi*>* phi_list() const { return phi_list_; } | 314 const ZoneList<HPhi*>* phi_list() const { return phi_list_; } |
315 HBasicBlock* entry_block() const { return entry_block_; } | 315 HBasicBlock* entry_block() const { return entry_block_; } |
316 HEnvironment* start_environment() const { return start_environment_; } | 316 HEnvironment* start_environment() const { return start_environment_; } |
317 | 317 |
318 void FinalizeUniqueValueIds(); | 318 void FinalizeUniqueValueIds(); |
| 319 void MarkDeoptimizeOnUndefined(); |
319 bool ProcessArgumentsObject(); | 320 bool ProcessArgumentsObject(); |
320 void OrderBlocks(); | 321 void OrderBlocks(); |
321 void AssignDominators(); | 322 void AssignDominators(); |
322 void SetupInformativeDefinitions(); | 323 void SetupInformativeDefinitions(); |
323 void RestoreActualValues(); | 324 void RestoreActualValues(); |
324 | 325 |
325 // Returns false if there are phi-uses of the arguments-object | 326 // Returns false if there are phi-uses of the arguments-object |
326 // which are not supported by the optimizing compiler. | 327 // which are not supported by the optimizing compiler. |
327 bool CheckArgumentsPhiUses(); | 328 bool CheckArgumentsPhiUses(); |
328 | 329 |
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456 private: | 457 private: |
457 HConstant* GetConstant(SetOncePointer<HConstant>* pointer, | 458 HConstant* GetConstant(SetOncePointer<HConstant>* pointer, |
458 int32_t integer_value); | 459 int32_t integer_value); |
459 | 460 |
460 template<class Phase> | 461 template<class Phase> |
461 void Run() { | 462 void Run() { |
462 Phase phase(this); | 463 Phase phase(this); |
463 phase.Run(); | 464 phase.Run(); |
464 } | 465 } |
465 | 466 |
| 467 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); |
466 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); | 468 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); |
467 void SetupInformativeDefinitionsInBlock(HBasicBlock* block); | 469 void SetupInformativeDefinitionsInBlock(HBasicBlock* block); |
468 void SetupInformativeDefinitionsRecursively(HBasicBlock* block); | 470 void SetupInformativeDefinitionsRecursively(HBasicBlock* block); |
469 void EliminateRedundantBoundsChecksUsingInductionVariables(); | 471 void EliminateRedundantBoundsChecksUsingInductionVariables(); |
470 | 472 |
471 Isolate* isolate_; | 473 Isolate* isolate_; |
472 int next_block_id_; | 474 int next_block_id_; |
473 HBasicBlock* entry_block_; | 475 HBasicBlock* entry_block_; |
474 HEnvironment* start_environment_; | 476 HEnvironment* start_environment_; |
475 ZoneList<HBasicBlock*> blocks_; | 477 ZoneList<HBasicBlock*> blocks_; |
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1124 HLoadNamedField* AddLoadFixedArrayLength(HValue *object); | 1126 HLoadNamedField* AddLoadFixedArrayLength(HValue *object); |
1125 | 1127 |
1126 HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin, HValue* context); | 1128 HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin, HValue* context); |
1127 | 1129 |
1128 HValue* TruncateToNumber(HValue* value, Handle<Type>* expected); | 1130 HValue* TruncateToNumber(HValue* value, Handle<Type>* expected); |
1129 | 1131 |
1130 void PushAndAdd(HInstruction* instr); | 1132 void PushAndAdd(HInstruction* instr); |
1131 | 1133 |
1132 void FinishExitWithHardDeoptimization(HBasicBlock* continuation); | 1134 void FinishExitWithHardDeoptimization(HBasicBlock* continuation); |
1133 | 1135 |
1134 void AddIncrementCounter(StatsCounter* counter, | |
1135 HValue* context); | |
1136 | |
1137 class IfBuilder { | 1136 class IfBuilder { |
1138 public: | 1137 public: |
1139 explicit IfBuilder(HGraphBuilder* builder, | 1138 explicit IfBuilder(HGraphBuilder* builder, |
1140 int position = RelocInfo::kNoPosition); | 1139 int position = RelocInfo::kNoPosition); |
1141 IfBuilder(HGraphBuilder* builder, | 1140 IfBuilder(HGraphBuilder* builder, |
1142 HIfContinuation* continuation); | 1141 HIfContinuation* continuation); |
1143 | 1142 |
1144 ~IfBuilder() { | 1143 ~IfBuilder() { |
1145 if (!finished_) End(); | 1144 if (!finished_) End(); |
1146 } | 1145 } |
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2164 EmbeddedVector<char, 64> filename_; | 2163 EmbeddedVector<char, 64> filename_; |
2165 HeapStringAllocator string_allocator_; | 2164 HeapStringAllocator string_allocator_; |
2166 StringStream trace_; | 2165 StringStream trace_; |
2167 int indent_; | 2166 int indent_; |
2168 }; | 2167 }; |
2169 | 2168 |
2170 | 2169 |
2171 } } // namespace v8::internal | 2170 } } // namespace v8::internal |
2172 | 2171 |
2173 #endif // V8_HYDROGEN_H_ | 2172 #endif // V8_HYDROGEN_H_ |
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